content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import static org.junit.Assert.*;
  
  import java.util.*;
  
  import org.junit.Test;
  
  import io.reactivex.common.*;
  import io.reactivex.common.exceptions.TestException;
  import io.reactivex.common.functions.*;
  import io.reactivex.common.internal.functions.Functions;
  import io.reactivex.observable.*;
  import io.reactivex.observable.observers.TestObserver;
  import io.reactivex.observable.subjects.PublishSubject;
  
  public class SingleDoAfterSuccessTest {
  
      final List<Integer> values = new ArrayList<Integer>();
  
      final Consumer<Integer> afterSuccess = new Consumer<Integer>() {
          @Override
          public void accept(Integer e) throws Exception {
              values.add(-e);
          }
      };
  
      final TestObserver<Integer> ts = new TestObserver<Integer>() {
          @Override
          public void onNext(Integer t) {
              super.onNext(t);
              SingleDoAfterSuccessTest.this.values.add(t);
          }
      };
  
      @Test
      public void just() {
          Single.just(1)
          .doAfterSuccess(afterSuccess)
          .subscribeWith(ts)
          .assertResult(1);
  
          assertEquals(Arrays.asList(1, -1), values);
      }
  
      @Test
      public void error() {
          Single.<Integer>error(new TestException())
          .doAfterSuccess(afterSuccess)
          .subscribeWith(ts)
          .assertFailure(TestException.class);
  
          assertTrue(values.isEmpty());
      }
  
      @Test(expected = NullPointerException.class)
      public void consumerNull() {
          Single.just(1).doAfterSuccess(null);
      }
  
      @Test
      public void justConditional() {
          Single.just(1)
          .doAfterSuccess(afterSuccess)
          .filter(Functions.alwaysTrue())
          .subscribeWith(ts)
          .assertResult(1);
  
          assertEquals(Arrays.asList(1, -1), values);
      }
  
      @Test
      public void errorConditional() {
          Single.<Integer>error(new TestException())
          .doAfterSuccess(afterSuccess)
          .filter(Functions.alwaysTrue())
          .subscribeWith(ts)
          .assertFailure(TestException.class);
  
          assertTrue(values.isEmpty());
      }
  
      @Test
      public void consumerThrows() {
          List<Throwable> errors = TestCommonHelper.trackPluginErrors();
          try {
              Single.just(1)
              .doAfterSuccess(new Consumer<Integer>() {
                  @Override
                  public void accept(Integer e) throws Exception {
                      throw new TestException();
                  }
              })
              .test()
              .assertResult(1);
  
              TestCommonHelper.assertUndeliverable(errors, 0, TestException.class);
          } finally {
              RxJavaCommonPlugins.reset();
          }
      }
  
      @Test
      public void dispose() {
          TestHelper.checkDisposed(PublishSubject.<Integer>create().singleOrError().doAfterSuccess(afterSuccess));
      }
  
      @Test
      public void doubleOnSubscribe() {
          TestHelper.checkDoubleOnSubscribeSingle(new Function<Single<Integer>, SingleSource<Integer>>() {
              @Override
              public SingleSource<Integer> apply(Single<Integer> m) throws Exception {
                  return m.doAfterSuccess(afterSuccess);
              }
          });
      }
  }
  